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YFK Manuals & User Guides

YFK specializes in modern smart home security solutions, offering a range of products including smart fingerprint door locks, remote controls, and sensors.

Tip: include the full model number printed on your YFK label for the best match.

About YFK manuals on Manuals.plus

YFK is a manufacturer of smart home electronics and security products designed to enhance convenience and safety in modern households. Their product lineup includes advanced keyless entry systems such as the CS9-01 Smart Fingerprint Door Handle Lock, which features multiple unlocking methods including biometric fingerprint scanning, PIN entry, RFID cards, physical keys, and mobile app integration.

Beyond smart locks, YFK also develops smart environmental sensors and controllers, including water leakage sensors and WiFi Smart IR remote controls. By leveraging popular smart home ecosystems like Tuya and Zigbee, YFK provides users with seamless integration, automated alerts, and remote monitoring capabilities for their smart home networks.

YFK manuals

Latest manuals from manuals+ curated for this brand.

YFK Water Leakage Sensor User Manual

YFK Water Leakage Sensor User Manual

June 7, 2026
YFK Water Leakage Sensor Specifications Name Water Leakage Sensor Input Voltage AAA1.5V x 2 Static Current <5uA Alarm Current <150mA Working Temperature -10°C ~ +50°C Working Humidity 95% RH Wireless…
YFK CL03 Smart Knob Lock User Manual

YFK CL03 Smart Knob Lock User Manual

manual
Comprehensive user manual for the YFK CL03 Smart Knob Lock, featuring installation instructions, Tuya app setup, fingerprint enrollment, and technical specifications.
YFK Smart Handle Lock User Manual

YFK Smart Handle Lock User Manual

manual
Comprehensive installation and operation guide for the YFK Smart Handle Lock, including technical specifications, app setup, and troubleshooting instructions.
YFK Smart Handle Lock User Manual

YFK Smart Handle Lock User Manual

user manual
Comprehensive user manual for the YFK Smart Handle Lock, covering installation, features, technical specifications, app connectivity via Tuya Smart, various unlock methods (fingerprint, password, IC card, key, app), and customer…

YFK manuals from online retailers

YFK Smart Fingerprint Door Lock User Manual

YFK Smart Fingerprint Door Lock User Manual

B0FL7M8WDC • January 18, 2026
Comprehensive user manual for the YFK Smart Fingerprint Door Lock (Model B0FL7M8WDC), covering installation, operation, app control, and troubleshooting for secure and convenient access.

YFK video guides

Watch setup, installation, and troubleshooting videos for this brand.

YFK support FAQ

Common questions about manuals, registration, and support for this brand.

  • How do I connect my YFK Smart Lock to the app?

    Download the Tuya Smart App or Smart Life App, turn on your smartphone's Bluetooth and Location services, click 'Add Device' in the main interface of the app, and follow the on-screen prompts to pair your lock.

  • What unlocking methods are available on the YFK CS9-01 Smart Lock?

    The YFK CS9-01 supports 5-in-1 keyless entry methods: fingerprint recognition, numerical keypad password entry, RFID/IC cards, traditional physical key unlock, and remote smartphone app access.

  • What type of batteries does the YFK Smart Handle Lock require?

    The smart lock requires 4 high-quality AAA (LR03) alkaline batteries. There is also a 5V Type-C port on the lock that can be used to supply emergency power if the batteries die completely, but this port is not for charging.

  • How do I set up the YFK Water Leakage Sensor?

    This sensor operates via a Zigbee gateway. In the Tuya Smart app, select your connected Zigbee gateway, tap 'Add subdevice', and hold the sensor's reset button for 5 seconds until the LED flashes rapidly to initiate the connection.